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The all new Volkswagen CC



Are diesels fast? Take a TDI for a hot lap.



Can a car that gets 44 MPG really be fast? To find out, we are putting the Volkswagen Jetta TDI's 236 lbs-ft of clean diesel torque to the test on the track, with last season's Jetta TDI Cup Champion, Josh Hurley, behind the wheel. And to verify the results, we're sending one of our guys along for the ride.

A coffee filter shows how clean Clean Diesel is.



Diesels have a reputation for being dirty. But the advanced technology in Volkswagen TDI clean diesels makes that a thing of the past. To demonstrate just how clean clean diesel really is, we test the new Volkswagen Touareg TDI against a traditional diesel. Can TDI clean diesel technology really reduce sooty emissions by 95%? The proof is in the coffee filters.